It should be emphasized that the history of a region or province can best be researched and written by the people of the region themselves for a number of reasons. First it would be a source of pride for local historians to have written a history of their own ethnic group or their hometown or home province. Second the local historian would also be expressing the values and perceptions specific to his group or homeplace which may be misinterpreted or unperceived otherwise by non-locals Third the local historian can also have easy access to local primary sources. Moreover he has the advantage of knowing the vernacular or the local language which is especially important when using oral sources. Finally the local historian as a culture-bearer knows the people way of life within which events take place and can provide explanations for what would otherwise be baffling occurrences to outsiders. Local historians can therefore serve as interpreters to the larger world and conversely can interpret the larger world to the local community.